.realtime-conversation {
  /********************** connection ****************************/
  .connection-container {
    background-color: #000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
    overflow: hidden;
    font-family: Arial, sans-serif;
    width 100%

    .phone-container {
      position: relative;
      width: 200px;
      height: 200px;
    }

    .phone {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 60px;
      height: 60px;
      background-color: #00ffcc;
      mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 15.5c-1.25 0-2.45-.2-3.57-.57a1.02 1.02 0 0 0-1.02.24l-2.2 2.2a15.074 15.074 0 0 1-6.59-6.59l2.2-2.2c.27-.27.35-.68.24-1.02a11.36 11.36 0 0 1-.57-3.57c0-.55-.45-1-1-1H4c-.55 0-1 .45-1 1 0 9.39 7.61 17 17 17 .55 0 1-.45 1-1v-3.5c0-.55-.45-1-1-1zM5.03 5h1.5c.07.89.22 1.76.46 2.59l-1.2 1.2c-.41-1.2-.67-2.47-.76-3.79zM19 18.97c-1.32-.09-2.59-.35-3.8-.75l1.2-1.2c.85.24 1.72.39 2.6.45v1.5z'/%3E%3C/svg%3E") no-repeat 50% 50%;
      mask-size: cover;
      -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 15.5c-1.25 0-2.45-.2-3.57-.57a1.02 1.02 0 0 0-1.02.24l-2.2 2.2a15.074 15.074 0 0 1-6.59-6.59l2.2-2.2c.27-.27.35-.68.24-1.02a11.36 11.36 0 0 1-.57-3.57c0-.55-.45-1-1-1H4c-.55 0-1 .45-1 1 0 9.39 7.61 17 17 17 .55 0 1-.45 1-1v-3.5c0-.55-.45-1-1-1zM5.03 5h1.5c.07.89.22 1.76.46 2.59l-1.2 1.2c-.41-1.2-.67-2.47-.76-3.79zM19 18.97c-1.32-.09-2.59-.35-3.8-.75l1.2-1.2c.85.24 1.72.39 2.6.45v1.5z'/%3E%3C/svg%3E") no-repeat 50% 50%;
      -webkit-mask-size: cover;
      animation: shake 0.5s ease-in-out infinite;
    }

    .signal {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 100px;
      height: 100px;
      border: 2px dashed #00ffcc;
      border-radius: 50%;
      opacity: 0;
      animation: signal 2s linear infinite;
    }

    .signal:nth-child(2) {
      animation-delay: 0.5s;
    }

    .signal:nth-child(3) {
      animation-delay: 1s;
    }

    .status-text {
      color: #00ffcc;
      font-size: 18px;
      margin-top: 20px;
      height: 1.2em;
      overflow: hidden;
    }

    @keyframes shake {
      0%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
      25% { transform: translate(-52%, -48%) rotate(-5deg); }
      75% { transform: translate(-48%, -52%) rotate(5deg); }
    }

    @keyframes signal {
      0% {
        width: 60px;
        height: 60px;
        opacity: 1;
      }
      100% {
        width: 200px;
        height: 200px;
        opacity: 0;
      }
    }
  }
  /*********** end of connection ************/

  .conversation-container {
    background: linear-gradient(to right, #2c3e50, #4a5568, #6b46c1);
    display: flex;
    height 100%
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    width 100%

    .wave-container {
      padding 3rem
      .wave-animation {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 10px;

        .wave-ellipse {
          width: 40px;
          height: 40px;
          background-color: white;
          border-radius: 20px;
          animation: wave 0.8s infinite ease-in-out;
        }

        .wave-ellipse:nth-child(odd) {
          height: 60px;
        }

        .wave-ellipse:nth-child(even) {
          height: 80px;
        }
      }
    }

    @keyframes wave {
      0%, 100% {
        transform: scaleY(0.8);
      }
      50% {
        transform: scaleY(1.2);
      }
    }

    .wave-ellipse:nth-child(2) {
      animation-delay: 0.1s;
    }

    .wave-ellipse:nth-child(3) {
      animation-delay: 0.2s;
    }

    .wave-ellipse:nth-child(4) {
      animation-delay: 0.3s;
    }

    .wave-ellipse:nth-child(5) {
      animation-delay: 0.4s;
    }

    .voice-indicators {
      display flex
      flex-flow row
      justify-content: space-between;
      width 100%
    }

    .call-controls {
      display: flex;
      justify-content: center;
      gap: 3rem;
      padding 3rem

      .call-button {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        border: none;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 24px;
        color: white;
        cursor: pointer;

        .iconfont {
          font-size 24px
        }
      }
      .hangup {
        background-color: #e74c3c;
      }

      .answer {
        background-color: #2ecc71;
      }

      .icon {
        font-size: 28px;
      }
    }

  }
}